V
Contents
Pr eamble xi
The au Th ors xiii
InTro du cTI on xvii
lI sT of ab br ev IaTI on s xxvii
Pr oje cT Te am mem be rs f or IP Tr an sf ormaTI on xxxi
ch aP Te r 1 ov er arch In g ToP Ic s 1
1.1 e PSTN Migration Process and Interdependencies 1
1.2 Project Organization 4
1.2.1 Project Structure: Roles and Responsibilities 4
1.2.2 Escalation 6
1.3 Environmental Status Quo 6
1.3.1 External Factors 7
1.3.2 Internal Factors 8
1.4 Scenario Analysis 9
1.4.1 Interim Solutions 11
1.4.2 Full Migration 13
1.4.3 Combined Approach (on an Area Level) 14
1.5 Standard Mandatory and Optional KPIs 15
1.6 Risk Analysis 15
1.6.1 Project Internal Risks 16
1.6.2 Deutsche Telekom AG/NatCo Risks
(MicroEnvironment) 17
1.6.3 Eco System Risks (Mac